Regular contractions will occur before the birth of a pregnant woman, at the beginning of each interval of about 10 minutes, the pregnant woman will feel abdominal pain, then the continuous pain will be gradually extended, up to 40-60 seconds, the interval will also be shortened, each time 3-5 minutes, the pregnant woman should do a good job of waiting for delivery. However, the specific time of delivery should be determined according to the opening of the uterus of the pregnant woman. Contractions in new mothers once every 10 minutes are the aura of labor. Only when there are regular contractions will the cervical canal disappear and the uterine opening will gradually open. A regular contraction is one every 5-6 minutes and lasts for about 30 seconds. The process of uterine contractions generally changes from irregular to regular, but how long after the contraction the labor takes should also be determined by the physical condition of the pregnant woman, the conditions of the birth canal, the size of the fetus and other factors. In addition, the mother also needs to pay attention to if the contraction interval is reduced and there is abdominal pain, then go to the hospital in time to prepare for delivery, and at the same time the pregnant woman needs to regulate their emotions, not too nervous.